/*
 * Butchered version of sshblowf.c from putty-0.59.
 *
 * contrib/pgcrypto/blf.c
 */

/*
 * PuTTY is copyright 1997-2007 Simon Tatham.
 *
 * Portions copyright Robert de Bath, Joris van Rantwijk, Delian
 * Delchev, Andreas Schultz, Jeroen Massar, Wez Furlong, Nicolas Barry,
 * Justin Bradford, Ben Harris, Malcolm Smith, Ahmad Khalifa, Markus
 * Kuhn, and CORE SDI S.A.
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation files
 * (the "Software"), to deal in the Software without restriction,
 * including without limitation the rights to use, copy, modify, merge,
 * publish, distribute, sublicense, and/or sell copies of the Software,
 * and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT.  IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE
 * FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

/*
 * Blowfish implementation for PuTTY.
 *
 * Coded from scratch from the algorithm description.
 */

#include "postgres.h"
#include "knl/knl_variable.h"
#include "blf.h"

#define GET_32BIT_MSB_FIRST(p) (((p)[0] << 24) | ((p)[1] << 16) | ((p)[2] << 8) | ((p)[3]))

#define PUT_32BIT_MSB_FIRST(p, v) \
    do {                          \
        (p)[0] = v >> 24;         \
        (p)[1] = v >> 16;         \
        (p)[2] = v >> 8;          \
        (p)[3] = v;               \
    } while (0)

/*
 * The Blowfish init data: hex digits of the fractional part of pi.
 * (ie pi as a hex fraction is 3.243F6A8885A308D3...)
 */
static const uint32 parray[] = {
    0x243F6A88,
    0x85A308D3,
    0x13198A2E,
    0x03707344,
    0xA4093822,
    0x299F31D0,
    0x082EFA98,
    0xEC4E6C89,
    0x452821E6,
    0x38D01377,
    0xBE5466CF,
    0x34E90C6C,
    0xC0AC29B7,
    0xC97C50DD,
    0x3F84D5B5,
    0xB5470917,
    0x9216D5D9,
    0x8979FB1B,
};

static const uint32 sbox0[] = {
    0xD1310BA6,
    0x98DFB5AC,
    0x2FFD72DB,
    0xD01ADFB7,
    0xB8E1AFED,
    0x6A267E96,
    0xBA7C9045,
    0xF12C7F99,
    0x24A19947,
    0xB3916CF7,
    0x0801F2E2,
    0x858EFC16,
    0x636920D8,
    0x71574E69,
    0xA458FEA3,
    0xF4933D7E,
    0x0D95748F,
    0x728EB658,
    0x718BCD58,
    0x82154AEE,
    0x7B54A41D,
    0xC25A59B5,
    0x9C30D539,
    0x2AF26013,
    0xC5D1B023,
    0x286085F0,
    0xCA417918,
    0xB8DB38EF,
    0x8E79DCB0,
    0x603A180E,
    0x6C9E0E8B,
    0xB01E8A3E,
    0xD71577C1,
    0xBD314B27,
    0x78AF2FDA,
    0x55605C60,
    0xE65525F3,
    0xAA55AB94,
    0x57489862,
    0x63E81440,
    0x55CA396A,
    0x2AAB10B6,
    0xB4CC5C34,
    0x1141E8CE,
    0xA15486AF,
    0x7C72E993,
    0xB3EE1411,
    0x636FBC2A,
    0x2BA9C55D,
    0x741831F6,
    0xCE5C3E16,
    0x9B87931E,
    0xAFD6BA33,
    0x6C24CF5C,
    0x7A325381,
    0x28958677,
    0x3B8F4898,
    0x6B4BB9AF,
    0xC4BFE81B,
    0x66282193,
    0x61D809CC,
    0xFB21A991,
    0x487CAC60,
    0x5DEC8032,
    0xEF845D5D,
    0xE98575B1,
    0xDC262302,
    0xEB651B88,
    0x23893E81,
    0xD396ACC5,
    0x0F6D6FF3,
    0x83F44239,
    0x2E0B4482,
    0xA4842004,
    0x69C8F04A,
    0x9E1F9B5E,
    0x21C66842,
    0xF6E96C9A,
    0x670C9C61,
    0xABD388F0,
    0x6A51A0D2,
    0xD8542F68,
    0x960FA728,
    0xAB5133A3,
    0x6EEF0B6C,
    0x137A3BE4,
    0xBA3BF050,
    0x7EFB2A98,
    0xA1F1651D,
    0x39AF0176,
    0x66CA593E,
    0x82430E88,
    0x8CEE8619,
    0x456F9FB4,
    0x7D84A5C3,
    0x3B8B5EBE,
    0xE06F75D8,
    0x85C12073,
    0x401A449F,
    0x56C16AA6,
    0x4ED3AA62,
    0x363F7706,
    0x1BFEDF72,
    0x429B023D,
    0x37D0D724,
    0xD00A1248,
    0xDB0FEAD3,
    0x49F1C09B,
    0x075372C9,
    0x80991B7B,
    0x25D479D8,
    0xF6E8DEF7,
    0xE3FE501A,
    0xB6794C3B,
    0x976CE0BD,
    0x04C006BA,
    0xC1A94FB6,
    0x409F60C4,
    0x5E5C9EC2,
    0x196A2463,
    0x68FB6FAF,
    0x3E6C53B5,
    0x1339B2EB,
    0x3B52EC6F,
    0x6DFC511F,
    0x9B30952C,
    0xCC814544,
    0xAF5EBD09,
    0xBEE3D004,
    0xDE334AFD,
    0x660F2807,
    0x192E4BB3,
    0xC0CBA857,
    0x45C8740F,
    0xD20B5F39,
    0xB9D3FBDB,
    0x5579C0BD,
    0x1A60320A,
    0xD6A100C6,
    0x402C7279,
    0x679F25FE,
    0xFB1FA3CC,
    0x8EA5E9F8,
    0xDB3222F8,
    0x3C7516DF,
    0xFD616B15,
    0x2F501EC8,
    0xAD0552AB,
    0x323DB5FA,
    0xFD238760,
    0x53317B48,
    0x3E00DF82,
    0x9E5C57BB,
    0xCA6F8CA0,
    0x1A87562E,
    0xDF1769DB,
    0xD542A8F6,
    0x287EFFC3,
    0xAC6732C6,
    0x8C4F5573,
    0x695B27B0,
    0xBBCA58C8,
    0xE1FFA35D,
    0xB8F011A0,
    0x10FA3D98,
    0xFD2183B8,
    0x4AFCB56C,
    0x2DD1D35B,
    0x9A53E479,
    0xB6F84565,
    0xD28E49BC,
    0x4BFB9790,
    0xE1DDF2DA,
    0xA4CB7E33,
    0x62FB1341,
    0xCEE4C6E8,
    0xEF20CADA,
    0x36774C01,
    0xD07E9EFE,
    0x2BF11FB4,
    0x95DBDA4D,
    0xAE909198,
    0xEAAD8E71,
    0x6B93D5A0,
    0xD08ED1D0,
    0xAFC725E0,
    0x8E3C5B2F,
    0x8E7594B7,
    0x8FF6E2FB,
    0xF2122B64,
    0x8888B812,
    0x900DF01C,
    0x4FAD5EA0,
    0x688FC31C,
    0xD1CFF191,
    0xB3A8C1AD,
    0x2F2F2218,
    0xBE0E1777,
    0xEA752DFE,
    0x8B021FA1,
    0xE5A0CC0F,
    0xB56F74E8,
    0x18ACF3D6,
    0xCE89E299,
    0xB4A84FE0,
    0xFD13E0B7,
    0x7CC43B81,
    0xD2ADA8D9,
    0x165FA266,
    0x80957705,
    0x93CC7314,
    0x211A1477,
    0xE6AD2065,
    0x77B5FA86,
    0xC75442F5,
    0xFB9D35CF,
    0xEBCDAF0C,
    0x7B3E89A0,
    0xD6411BD3,
    0xAE1E7E49,
    0x00250E2D,
    0x2071B35E,
    0x226800BB,
    0x57B8E0AF,
    0x2464369B,
    0xF009B91E,
    0x5563911D,
    0x59DFA6AA,
    0x78C14389,
    0xD95A537F,
    0x207D5BA2,
    0x02E5B9C5,
    0x83260376,
    0x6295CFA9,
    0x11C81968,
    0x4E734A41,
    0xB3472DCA,
    0x7B14A94A,
    0x1B510052,
    0x9A532915,
    0xD60F573F,
    0xBC9BC6E4,
    0x2B60A476,
    0x81E67400,
    0x08BA6FB5,
    0x571BE91F,
    0xF296EC6B,
    0x2A0DD915,
    0xB6636521,
    0xE7B9F9B6,
    0xFF34052E,
    0xC5855664,
    0x53B02D5D,
    0xA99F8FA1,
    0x08BA4799,
    0x6E85076A,
};

static const uint32 sbox1[] = {
    0x4B7A70E9,
    0xB5B32944,
    0xDB75092E,
    0xC4192623,
    0xAD6EA6B0,
    0x49A7DF7D,
    0x9CEE60B8,
    0x8FEDB266,
    0xECAA8C71,
    0x699A17FF,
    0x5664526C,
    0xC2B19EE1,
    0x193602A5,
    0x75094C29,
    0xA0591340,
    0xE4183A3E,
    0x3F54989A,
    0x5B429D65,
    0x6B8FE4D6,
    0x99F73FD6,
    0xA1D29C07,
    0xEFE830F5,
    0x4D2D38E6,
    0xF0255DC1,
    0x4CDD2086,
    0x8470EB26,
    0x6382E9C6,
    0x021ECC5E,
    0x09686B3F,
    0x3EBAEFC9,
    0x3C971814,
    0x6B6A70A1,
    0x687F3584,
    0x52A0E286,
    0xB79C5305,
    0xAA500737,
    0x3E07841C,
    0x7FDEAE5C,
    0x8E7D44EC,
    0x5716F2B8,
    0xB03ADA37,
    0xF0500C0D,
    0xF01C1F04,
    0x0200B3FF,
    0xAE0CF51A,
    0x3CB574B2,
    0x25837A58,
    0xDC0921BD,
    0xD19113F9,
    0x7CA92FF6,
    0x94324773,
    0x22F54701,
    0x3AE5E581,
    0x37C2DADC,
    0xC8B57634,
    0x9AF3DDA7,
    0xA9446146,
    0x0FD0030E,
    0xECC8C73E,
    0xA4751E41,
    0xE238CD99,
    0x3BEA0E2F,
    0x3280BBA1,
    0x183EB331,
    0x4E548B38,
    0x4F6DB908,
    0x6F420D03,
    0xF60A04BF,
    0x2CB81290,
    0x24977C79,
    0x5679B072,
    0xBCAF89AF,
    0xDE9A771F,
    0xD9930810,
    0xB38BAE12,
    0xDCCF3F2E,
    0x5512721F,
    0x2E6B7124,
    0x501ADDE6,
    0x9F84CD87,
    0x7A584718,
    0x7408DA17,
    0xBC9F9ABC,
    0xE94B7D8C,
    0xEC7AEC3A,
    0xDB851DFA,
    0x63094366,
    0xC464C3D2,
    0xEF1C1847,
    0x3215D908,
    0xDD433B37,
    0x24C2BA16,
    0x12A14D43,
    0x2A65C451,
    0x50940002,
    0x133AE4DD,
    0x71DFF89E,
    0x10314E55,
    0x81AC77D6,
    0x5F11199B,
    0x043556F1,
    0xD7A3C76B,
    0x3C11183B,
    0x5924A509,
    0xF28FE6ED,
    0x97F1FBFA,
    0x9EBABF2C,
    0x1E153C6E,
    0x86E34570,
    0xEAE96FB1,
    0x860E5E0A,
    0x5A3E2AB3,
    0x771FE71C,
    0x4E3D06FA,
    0x2965DCB9,
    0x99E71D0F,
    0x803E89D6,
    0x5266C825,
    0x2E4CC978,
    0x9C10B36A,
    0xC6150EBA,
    0x94E2EA78,
    0xA5FC3C53,
    0x1E0A2DF4,
    0xF2F74EA7,
    0x361D2B3D,
    0x1939260F,
    0x19C27960,
    0x5223A708,
    0xF71312B6,
    0xEBADFE6E,
    0xEAC31F66,
    0xE3BC4595,
    0xA67BC883,
    0xB17F37D1,
    0x018CFF28,
    0xC332DDEF,
    0xBE6C5AA5,
    0x65582185,
    0x68AB9802,
    0xEECEA50F,
    0xDB2F953B,
    0x2AEF7DAD,
    0x5B6E2F84,
    0x1521B628,
    0x29076170,
    0xECDD4775,
    0x619F1510,
    0x13CCA830,
    0xEB61BD96,
    0x0334FE1E,
    0xAA0363CF,
    0xB5735C90,
    0x4C70A239,
    0xD59E9E0B,
    0xCBAADE14,
    0xEECC86BC,
    0x60622CA7,
    0x9CAB5CAB,
    0xB2F3846E,
    0x648B1EAF,
    0x19BDF0CA,
    0xA02369B9,
    0x655ABB50,
    0x40685A32,
    0x3C2AB4B3,
    0x319EE9D5,
    0xC021B8F7,
    0x9B540B19,
    0x875FA099,
    0x95F7997E,
    0x623D7DA8,
    0xF837889A,
    0x97E32D77,
    0x11ED935F,
    0x16681281,
    0x0E358829,
    0xC7E61FD6,
    0x96DEDFA1,
    0x7858BA99,
    0x57F584A5,
    0x1B227263,
    0x9B83C3FF,
    0x1AC24696,
    0xCDB30AEB,
    0x532E3054,
    0x8FD948E4,
    0x6DBC3128,
    0x58EBF2EF,
    0x34C6FFEA,
    0xFE28ED61,
    0xEE7C3C73,
    0x5D4A14D9,
    0xE864B7E3,
    0x42105D14,
    0x203E13E0,
    0x45EEE2B6,
    0xA3AAABEA,
    0xDB6C4F15,
    0xFACB4FD0,
    0xC742F442,
    0xEF6ABBB5,
    0x654F3B1D,
    0x41CD2105,
    0xD81E799E,
    0x86854DC7,
    0xE44B476A,
    0x3D816250,
    0xCF62A1F2,
    0x5B8D2646,
    0xFC8883A0,
    0xC1C7B6A3,
    0x7F1524C3,
    0x69CB7492,
    0x47848A0B,
    0x5692B285,
    0x095BBF00,
    0xAD19489D,
    0x1462B174,
    0x23820E00,
    0x58428D2A,
    0x0C55F5EA,
    0x1DADF43E,
    0x233F7061,
    0x3372F092,
    0x8D937E41,
    0xD65FECF1,
    0x6C223BDB,
    0x7CDE3759,
    0xCBEE7460,
    0x4085F2A7,
    0xCE77326E,
    0xA6078084,
    0x19F8509E,
    0xE8EFD855,
    0x61D99735,
    0xA969A7AA,
    0xC50C06C2,
    0x5A04ABFC,
    0x800BCADC,
    0x9E447A2E,
    0xC3453484,
    0xFDD56705,
    0x0E1E9EC9,
    0xDB73DBD3,
    0x105588CD,
    0x675FDA79,
    0xE3674340,
    0xC5C43465,
    0x713E38D8,
    0x3D28F89E,
    0xF16DFF20,
    0x153E21E7,
    0x8FB03D4A,
    0xE6E39F2B,
    0xDB83ADF7,
};

static const uint32 sbox2[] = {
    0xE93D5A68,
    0x948140F7,
    0xF64C261C,
    0x94692934,
    0x411520F7,
    0x7602D4F7,
    0xBCF46B2E,
    0xD4A20068,
    0xD4082471,
    0x3320F46A,
    0x43B7D4B7,
    0x500061AF,
    0x1E39F62E,
    0x97244546,
    0x14214F74,
    0xBF8B8840,
    0x4D95FC1D,
    0x96B591AF,
    0x70F4DDD3,
    0x66A02F45,
    0xBFBC09EC,
    0x03BD9785,
    0x7FAC6DD0,
    0x31CB8504,
    0x96EB27B3,
    0x55FD3941,
    0xDA2547E6,
    0xABCA0A9A,
    0x28507825,
    0x530429F4,
    0x0A2C86DA,
    0xE9B66DFB,
    0x68DC1462,
    0xD7486900,
    0x680EC0A4,
    0x27A18DEE,
    0x4F3FFEA2,
    0xE887AD8C,
    0xB58CE006,
    0x7AF4D6B6,
    0xAACE1E7C,
    0xD3375FEC,
    0xCE78A399,
    0x406B2A42,
    0x20FE9E35,
    0xD9F385B9,
    0xEE39D7AB,
    0x3B124E8B,
    0x1DC9FAF7,
    0x4B6D1856,
    0x26A36631,
    0xEAE397B2,
    0x3A6EFA74,
    0xDD5B4332,
    0x6841E7F7,
    0xCA7820FB,
    0xFB0AF54E,
    0xD8FEB397,
    0x454056AC,
    0xBA489527,
    0x55533A3A,
    0x20838D87,
    0xFE6BA9B7,
    0xD096954B,
    0x55A867BC,
    0xA1159A58,
    0xCCA92963,
    0x99E1DB33,
    0xA62A4A56,
    0x3F3125F9,
    0x5EF47E1C,
    0x9029317C,
    0xFDF8E802,
    0x04272F70,
    0x80BB155C,
    0x05282CE3,
    0x95C11548,
    0xE4C66D22,
    0x48C1133F,
    0xC70F86DC,
    0x07F9C9EE,
    0x41041F0F,
    0x404779A4,
    0x5D886E17,
    0x325F51EB,
    0xD59BC0D1,
    0xF2BCC18F,
    0x41113564,
    0x257B7834,
    0x602A9C60,
    0xDFF8E8A3,
    0x1F636C1B,
    0x0E12B4C2,
    0x02E1329E,
    0xAF664FD1,
    0xCAD18115,
    0x6B2395E0,
    0x333E92E1,
    0x3B240B62,
    0xEEBEB922,
    0x85B2A20E,
    0xE6BA0D99,
    0xDE720C8C,
    0x2DA2F728,
    0xD0127845,
    0x95B794FD,
    0x647D0862,
    0xE7CCF5F0,
    0x5449A36F,
    0x877D48FA,
    0xC39DFD27,
    0xF33E8D1E,
    0x0A476341,
    0x992EFF74,
    0x3A6F6EAB,
    0xF4F8FD37,
    0xA812DC60,
    0xA1EBDDF8,
    0x991BE14C,
    0xDB6E6B0D,
    0xC67B5510,
    0x6D672C37,
    0x2765D43B,
    0xDCD0E804,
    0xF1290DC7,
    0xCC00FFA3,
    0xB5390F92,
    0x690FED0B,
    0x667B9FFB,
    0xCEDB7D9C,
    0xA091CF0B,
    0xD9155EA3,
    0xBB132F88,
    0x515BAD24,
    0x7B9479BF,
    0x763BD6EB,
    0x37392EB3,
    0xCC115979,
    0x8026E297,
    0xF42E312D,
    0x6842ADA7,
    0xC66A2B3B,
    0x12754CCC,
    0x782EF11C,
    0x6A124237,
    0xB79251E7,
    0x06A1BBE6,
    0x4BFB6350,
    0x1A6B1018,
    0x11CAEDFA,
    0x3D25BDD8,
    0xE2E1C3C9,
    0x44421659,
    0x0A121386,
    0xD90CEC6E,
    0xD5ABEA2A,
    0x64AF674E,
    0xDA86A85F,
    0xBEBFE988,
    0x64E4C3FE,
    0x9DBC8057,
    0xF0F7C086,
    0x60787BF8,
    0x6003604D,
    0xD1FD8346,
    0xF6381FB0,
    0x7745AE04,
    0xD736FCCC,
    0x83426B33,
    0xF01EAB71,
    0xB0804187,
    0x3C005E5F,
    0x77A057BE,
    0xBDE8AE24,
    0x55464299,
    0xBF582E61,
    0x4E58F48F,
    0xF2DDFDA2,
    0xF474EF38,
    0x8789BDC2,
    0x5366F9C3,
    0xC8B38E74,
    0xB475F255,
    0x46FCD9B9,
    0x7AEB2661,
    0x8B1DDF84,
    0x846A0E79,
    0x915F95E2,
    0x466E598E,
    0x20B45770,
    0x8CD55591,
    0xC902DE4C,
    0xB90BACE1,
    0xBB8205D0,
    0x11A86248,
    0x7574A99E,
    0xB77F19B6,
    0xE0A9DC09,
    0x662D09A1,
    0xC4324633,
    0xE85A1F02,
    0x09F0BE8C,
    0x4A99A025,
    0x1D6EFE10,
    0x1AB93D1D,
    0x0BA5A4DF,
    0xA186F20F,
    0x2868F169,
    0xDCB7DA83,
    0x573906FE,
    0xA1E2CE9B,
    0x4FCD7F52,
    0x50115E01,
    0xA70683FA,
    0xA002B5C4,
    0x0DE6D027,
    0x9AF88C27,
    0x773F8641,
    0xC3604C06,
    0x61A806B5,
    0xF0177A28,
    0xC0F586E0,
    0x006058AA,
    0x30DC7D62,
    0x11E69ED7,
    0x2338EA63,
    0x53C2DD94,
    0xC2C21634,
    0xBBCBEE56,
    0x90BCB6DE,
    0xEBFC7DA1,
    0xCE591D76,
    0x6F05E409,
    0x4B7C0188,
    0x39720A3D,
    0x7C927C24,
    0x86E3725F,
    0x724D9DB9,
    0x1AC15BB4,
    0xD39EB8FC,
    0xED545578,
    0x08FCA5B5,
    0xD83D7CD3,
    0x4DAD0FC4,
    0x1E50EF5E,
    0xB161E6F8,
    0xA28514D9,
    0x6C51133C,
    0x6FD5C7E7,
    0x56E14EC4,
    0x362ABFCE,
    0xDDC6C837,
    0xD79A3234,
    0x92638212,
    0x670EFA8E,
    0x406000E0,
};

static const uint32 sbox3[] = {
    0x3A39CE37,
    0xD3FAF5CF,
    0xABC27737,
    0x5AC52D1B,
    0x5CB0679E,
    0x4FA33742,
    0xD3822740,
    0x99BC9BBE,
    0xD5118E9D,
    0xBF0F7315,
    0xD62D1C7E,
    0xC700C47B,
    0xB78C1B6B,
    0x21A19045,
    0xB26EB1BE,
    0x6A366EB4,
    0x5748AB2F,
    0xBC946E79,
    0xC6A376D2,
    0x6549C2C8,
    0x530FF8EE,
    0x468DDE7D,
    0xD5730A1D,
    0x4CD04DC6,
    0x2939BBDB,
    0xA9BA4650,
    0xAC9526E8,
    0xBE5EE304,
    0xA1FAD5F0,
    0x6A2D519A,
    0x63EF8CE2,
    0x9A86EE22,
    0xC089C2B8,
    0x43242EF6,
    0xA51E03AA,
    0x9CF2D0A4,
    0x83C061BA,
    0x9BE96A4D,
    0x8FE51550,
    0xBA645BD6,
    0x2826A2F9,
    0xA73A3AE1,
    0x4BA99586,
    0xEF5562E9,
    0xC72FEFD3,
    0xF752F7DA,
    0x3F046F69,
    0x77FA0A59,
    0x80E4A915,
    0x87B08601,
    0x9B09E6AD,
    0x3B3EE593,
    0xE990FD5A,
    0x9E34D797,
    0x2CF0B7D9,
    0x022B8B51,
    0x96D5AC3A,
    0x017DA67D,
    0xD1CF3ED6,
    0x7C7D2D28,
    0x1F9F25CF,
    0xADF2B89B,
    0x5AD6B472,
    0x5A88F54C,
    0xE029AC71,
    0xE019A5E6,
    0x47B0ACFD,
    0xED93FA9B,
    0xE8D3C48D,
    0x283B57CC,
    0xF8D56629,
    0x79132E28,
    0x785F0191,
    0xED756055,
    0xF7960E44,
    0xE3D35E8C,
    0x15056DD4,
    0x88F46DBA,
    0x03A16125,
    0x0564F0BD,
    0xC3EB9E15,
    0x3C9057A2,
    0x97271AEC,
    0xA93A072A,
    0x1B3F6D9B,
    0x1E6321F5,
    0xF59C66FB,
    0x26DCF319,
    0x7533D928,
    0xB155FDF5,
    0x03563482,
    0x8ABA3CBB,
    0x28517711,
    0xC20AD9F8,
    0xABCC5167,
    0xCCAD925F,
    0x4DE81751,
    0x3830DC8E,
    0x379D5862,
    0x9320F991,
    0xEA7A90C2,
    0xFB3E7BCE,
    0x5121CE64,
    0x774FBE32,
    0xA8B6E37E,
    0xC3293D46,
    0x48DE5369,
    0x6413E680,
    0xA2AE0810,
    0xDD6DB224,
    0x69852DFD,
    0x09072166,
    0xB39A460A,
    0x6445C0DD,
    0x586CDECF,
    0x1C20C8AE,
    0x5BBEF7DD,
    0x1B588D40,
    0xCCD2017F,
    0x6BB4E3BB,
    0xDDA26A7E,
    0x3A59FF45,
    0x3E350A44,
    0xBCB4CDD5,
    0x72EACEA8,
    0xFA6484BB,
    0x8D6612AE,
    0xBF3C6F47,
    0xD29BE463,
    0x542F5D9E,
    0xAEC2771B,
    0xF64E6370,
    0x740E0D8D,
    0xE75B1357,
    0xF8721671,
    0xAF537D5D,
    0x4040CB08,
    0x4EB4E2CC,
    0x34D2466A,
    0x0115AF84,
    0xE1B00428,
    0x95983A1D,
    0x06B89FB4,
    0xCE6EA048,
    0x6F3F3B82,
    0x3520AB82,
    0x011A1D4B,
    0x277227F8,
    0x611560B1,
    0xE7933FDC,
    0xBB3A792B,
    0x344525BD,
    0xA08839E1,
    0x51CE794B,
    0x2F32C9B7,
    0xA01FBAC9,
    0xE01CC87E,
    0xBCC7D1F6,
    0xCF0111C3,
    0xA1E8AAC7,
    0x1A908749,
    0xD44FBD9A,
    0xD0DADECB,
    0xD50ADA38,
    0x0339C32A,
    0xC6913667,
    0x8DF9317C,
    0xE0B12B4F,
    0xF79E59B7,
    0x43F5BB3A,
    0xF2D519FF,
    0x27D9459C,
    0xBF97222C,
    0x15E6FC2A,
    0x0F91FC71,
    0x9B941525,
    0xFAE59361,
    0xCEB69CEB,
    0xC2A86459,
    0x12BAA8D1,
    0xB6C1075E,
    0xE3056A0C,
    0x10D25065,
    0xCB03A442,
    0xE0EC6E0E,
    0x1698DB3B,
    0x4C98A0BE,
    0x3278E964,
    0x9F1F9532,
    0xE0D392DF,
    0xD3A0342B,
    0x8971F21E,
    0x1B0A7441,
    0x4BA3348C,
    0xC5BE7120,
    0xC37632D8,
    0xDF359F8D,
    0x9B992F2E,
    0xE60B6F47,
    0x0FE3F11D,
    0xE54CDA54,
    0x1EDAD891,
    0xCE6279CF,
    0xCD3E7E6F,
    0x1618B166,
    0xFD2C1D05,
    0x848FD2C5,
    0xF6FB2299,
    0xF523F357,
    0xA6327623,
    0x93A83531,
    0x56CCCD02,
    0xACF08162,
    0x5A75EBB5,
    0x6E163697,
    0x88D273CC,
    0xDE966292,
    0x81B949D0,
    0x4C50901B,
    0x71C65614,
    0xE6C6C7BD,
    0x327A140A,
    0x45E1D006,
    0xC3F27B9A,
    0xC9AA53FD,
    0x62A80F00,
    0xBB25BFE2,
    0x35BDD2F6,
    0x71126905,
    0xB2040222,
    0xB6CBCF7C,
    0xCD769C2B,
    0x53113EC0,
    0x1640E3D3,
    0x38ABBD60,
    0x2547ADF0,
    0xBA38209C,
    0xF746CE76,
    0x77AFA1C5,
    0x20756060,
    0x85CBFE4E,
    0x8AE88DD8,
    0x7AAAF9B0,
    0x4CF9AA7E,
    0x1948C25C,
    0x02FB8A8C,
    0x01C36AE4,
    0xD6EBE1F9,
    0x90D4F869,
    0xA65CDEA0,
    0x3F09252D,
    0xC208E69F,
    0xB74E6132,
    0xCE77E25B,
    0x578FDFE3,
    0x3AC372E6,
};

#define Fprime(a, b, c, d) (((S0[a] + S1[b]) ^ S2[c]) + S3[d])
#define F(x) Fprime(((x >> 24) & 0xFF), ((x >> 16) & 0xFF), ((x >> 8) & 0xFF), (x & 0xFF))
#define ROUND(n) (xL ^= P[n], t = xL, xL = F(xL) ^ xR, xR = t)

static void blowfish_encrypt(uint32 xL, uint32 xR, uint32* output, BlowfishContext* ctx)
{
    uint32* S0 = ctx->S0;
    uint32* S1 = ctx->S1;
    uint32* S2 = ctx->S2;
    uint32* S3 = ctx->S3;
    uint32* P = ctx->P;
    uint32 t;

    ROUND(0);
    ROUND(1);
    ROUND(2);
    ROUND(3);
    ROUND(4);
    ROUND(5);
    ROUND(6);
    ROUND(7);
    ROUND(8);
    ROUND(9);
    ROUND(10);
    ROUND(11);
    ROUND(12);
    ROUND(13);
    ROUND(14);
    ROUND(15);
    xL ^= P[16];
    xR ^= P[17];

    output[0] = xR;
    output[1] = xL;
}

static void blowfish_decrypt(uint32 xL, uint32 xR, uint32* output, BlowfishContext* ctx)
{
    uint32* S0 = ctx->S0;
    uint32* S1 = ctx->S1;
    uint32* S2 = ctx->S2;
    uint32* S3 = ctx->S3;
    uint32* P = ctx->P;
    uint32 t;

    ROUND(17);
    ROUND(16);
    ROUND(15);
    ROUND(14);
    ROUND(13);
    ROUND(12);
    ROUND(11);
    ROUND(10);
    ROUND(9);
    ROUND(8);
    ROUND(7);
    ROUND(6);
    ROUND(5);
    ROUND(4);
    ROUND(3);
    ROUND(2);
    xL ^= P[1];
    xR ^= P[0];

    output[0] = xR;
    output[1] = xL;
}

void blowfish_encrypt_cbc(uint8* blk, int len, BlowfishContext* ctx)
{
    uint32 xL, xR, out[2], iv0, iv1;

    Assert((len & 7) == 0);

    iv0 = ctx->iv0;
    iv1 = ctx->iv1;

    while (len > 0) {
        xL = GET_32BIT_MSB_FIRST(blk);
        xR = GET_32BIT_MSB_FIRST(blk + 4);
        iv0 ^= xL;
        iv1 ^= xR;
        blowfish_encrypt(iv0, iv1, out, ctx);
        iv0 = out[0];
        iv1 = out[1];
        PUT_32BIT_MSB_FIRST(blk, iv0);
        PUT_32BIT_MSB_FIRST(blk + 4, iv1);
        blk += 8;
        len -= 8;
    }

    ctx->iv0 = iv0;
    ctx->iv1 = iv1;
}

void blowfish_decrypt_cbc(uint8* blk, int len, BlowfishContext* ctx)
{
    uint32 xL, xR, out[2], iv0, iv1;

    Assert((len & 7) == 0);

    iv0 = ctx->iv0;
    iv1 = ctx->iv1;

    while (len > 0) {
        xL = GET_32BIT_MSB_FIRST(blk);
        xR = GET_32BIT_MSB_FIRST(blk + 4);
        blowfish_decrypt(xL, xR, out, ctx);
        iv0 ^= out[0];
        iv1 ^= out[1];
        PUT_32BIT_MSB_FIRST(blk, iv0);
        PUT_32BIT_MSB_FIRST(blk + 4, iv1);
        iv0 = xL;
        iv1 = xR;
        blk += 8;
        len -= 8;
    }

    ctx->iv0 = iv0;
    ctx->iv1 = iv1;
}

void blowfish_encrypt_ecb(uint8* blk, int len, BlowfishContext* ctx)
{
    uint32 xL, xR, out[2];

    Assert((len & 7) == 0);

    while (len > 0) {
        xL = GET_32BIT_MSB_FIRST(blk);
        xR = GET_32BIT_MSB_FIRST(blk + 4);
        blowfish_encrypt(xL, xR, out, ctx);
        PUT_32BIT_MSB_FIRST(blk, out[0]);
        PUT_32BIT_MSB_FIRST(blk + 4, out[1]);
        blk += 8;
        len -= 8;
    }
}

void blowfish_decrypt_ecb(uint8* blk, int len, BlowfishContext* ctx)
{
    uint32 xL, xR, out[2];

    Assert((len & 7) == 0);

    while (len > 0) {
        xL = GET_32BIT_MSB_FIRST(blk);
        xR = GET_32BIT_MSB_FIRST(blk + 4);
        blowfish_decrypt(xL, xR, out, ctx);
        PUT_32BIT_MSB_FIRST(blk, out[0]);
        PUT_32BIT_MSB_FIRST(blk + 4, out[1]);
        blk += 8;
        len -= 8;
    }
}

void blowfish_setkey(BlowfishContext* ctx, const uint8* key, short keybytes)
{
    uint32* S0 = ctx->S0;
    uint32* S1 = ctx->S1;
    uint32* S2 = ctx->S2;
    uint32* S3 = ctx->S3;
    uint32* P = ctx->P;
    uint32 str[2];
    int i;

    Assert(keybytes > 0 && keybytes <= (448 / 8));

    for (i = 0; i < 18; i++) {
        P[i] = parray[i];
        P[i] ^= ((uint32)key[(i * 4 + 0) % keybytes]) << 24;
        P[i] ^= ((uint32)key[(i * 4 + 1) % keybytes]) << 16;
        P[i] ^= ((uint32)key[(i * 4 + 2) % keybytes]) << 8;
        P[i] ^= ((uint32)key[(i * 4 + 3) % keybytes]);
    }

    for (i = 0; i < 256; i++) {
        S0[i] = sbox0[i];
        S1[i] = sbox1[i];
        S2[i] = sbox2[i];
        S3[i] = sbox3[i];
    }

    str[0] = str[1] = 0;

    for (i = 0; i < 18; i += 2) {
        blowfish_encrypt(str[0], str[1], str, ctx);
        P[i] = str[0];
        P[i + 1] = str[1];
    }

    for (i = 0; i < 256; i += 2) {
        blowfish_encrypt(str[0], str[1], str, ctx);
        S0[i] = str[0];
        S0[i + 1] = str[1];
    }
    for (i = 0; i < 256; i += 2) {
        blowfish_encrypt(str[0], str[1], str, ctx);
        S1[i] = str[0];
        S1[i + 1] = str[1];
    }
    for (i = 0; i < 256; i += 2) {
        blowfish_encrypt(str[0], str[1], str, ctx);
        S2[i] = str[0];
        S2[i + 1] = str[1];
    }
    for (i = 0; i < 256; i += 2) {
        blowfish_encrypt(str[0], str[1], str, ctx);
        S3[i] = str[0];
        S3[i + 1] = str[1];
    }
}

void blowfish_setiv(BlowfishContext* ctx, const uint8* iv)
{
    ctx->iv0 = GET_32BIT_MSB_FIRST(iv);
    ctx->iv1 = GET_32BIT_MSB_FIRST(iv + 4);
}
